Measurement transducer MIR KPR-01MA

The MIR KPR-01MA devices are designed to measure and analyze the parameters of the electrical network, determine and control the equipment state, record processes, including oscillography, determine the power quality and energy metering.

Measurement transducer MIR KPR-01MA

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Purpose

The MIR KPR-01MA devices are designed to measure and analyze the parameters of the electrical network, determine and control the equipment state, record processes, including oscillography, determine the power quality and energy metering.

Functions

– measurement of power grid instrumentation parameters (U, I, P, Q, S, cos φ);
– determination of the state of electrical equipment, built-in discrete input channels;
– electrical equipment control, built-in discrete output channels;
– throwing events when discrete or analog parameters changed;
– recording of emergency and transient processes in the network, including oscillography with prefault history recording;
– power qualty parameters measurement;
– multi-tariff metering of electricity with storing load profiles;
– ability of expansion with I/O modules and display modules.  

Features

– All-in-one device – current, voltage, and power transducer, electric energy meter, fault recorder, bay controller, electric power quality metering device.
– Powered from measuring terminals and from the backup power supply terminals with automatic backup without loss of information.
– Ethernet ring topology support with hardware Bypass function when power supply is lost.
– The smallest dimensions in its class.

Main metrological characteristics

Modification

 

Rated current,
Irated, А

 

Rated phase voltage
Urated, V


Maximum
voltage
value, Umax. V  
Maximum current value during measurement   Accuracy class when measuring energy, %
RMS of current,
Imax., А
energy,
Imax.en., А
active reactive
KPR-01М-А,
Imax10, Urated57

1   57   130   10   10   0.5S   1  
KPR-01М-А,
Imax10, Urated230  

1   230   300   10   10   0.5S   1  
KPR-01М-А,
Imax50, Urated57
5   57   130   50   10   0.5S   1  
KPR-01М-А,
Imax50, Urated230

5   230   300   50   10   0.5S   1  

Discrete input channels characteristics

Parameter name

Value

General characteristics

Number of channels 8 discrete input for voltage of 24 V or 230 V
The minimum duration of the signal at the channel input 1 ms
Contact debouncing time 1 ms – 60 s, discreetness 1 ms
Group of discrete output channels insulation strength 4 kV

230V channels characteristics

Channel power source category wet contact
Channel rated voltage 230 V DC
Channel actuation minimum voltage 158 – 170 V
Channel reswitching maximum voltage 132 – 154 V
Channel rated impedance 200 kOhm

24V channels characteristics

Channel rated impedance Dry contact, internal power supply 24V DC
Channel interrogate rated current 5 mA
The external circuit resistance, at which the «closed» state is fixed 5 mA
The external circuit resistance, at which the «open» state is fixed 50 kOhm and more


Discrete output channels characteristics

Parameter name

Value

Number of channels 2
channels switching capacity when switching AC   6 А, 230 V, load class AC1
1.3 А, 230 V, load class AC15
channels switching capacity when switching DC   0.12 А, 230 V, load class DC1, DC13
6 А, 30 V, load class DC1, DC13
Switching relay lifetime not less than 30,000 cycles
Insulation strength between channels 2 kV
Group of discrete output channels insulation strength 4 kV
Control pulse duration 10 ms – 60 s, discreteness 10 ms, or continuously

Power supply characteristics

Parameter name

Value

Rated supply voltage from measuring terminals   three-phase 57,7 V, for Urated57
three-phase 230 V, for Urated230
Rated supply voltage from the backup power terminals   24VDC
230 V DC or AC
Active/total power consumption over measuring voltage terminals   not more than  2 W/5 VA for Urated230
not more than 2 W/3 VA for Urated57
for each phase at rated voltage
Total power consumption over measuring current terminals not more than 0.1 VA for rated current of 5 A
Power consumption over the backup power supply terminals   not more than 5 W at rated voltage
not more than 6W / 10 VA at rated voltage
Start-up current   not more than 1.5 A for the 24 V backup power supply circuit
not more than 0,7 A for other circuits
Resistance to voltage interruptions up to 0.1 s for the 24 V backup power supply circuit
up to 0.5 s for other circuits

Interfaces and communication protocols:

– up to 3 RS-485 interfaces;
– up to 2 Ethernet TX interfaces with the ability to work in ring topologies and with support for hardware Bypass function;
– RF interface, operating in the 868 MHz frequency band with support for a self-organizing Mesh network;
– MODBUS RTU/TCP and IEC 60870-5-101/104 exchange protocols.
Выберите характеристики
Конструктивное исполнение
Номинальный (максимальный) ток, класс точности при измерении активной/реактивной энергии
Напряжение питания
Наличие питания от измерительных цепей
Наличие и количество интерфейсов RS-485
Наличие и количество интерфейсов Ethernet TX
Наличие и количество каналов ТС
Номинальное напряжение каналов ТС
Наличие и количество каналов ТУ
Наличие и напряжение цепи резервного питания
Наличие программных функций
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